The quote "Everything will be okay in the end. If it's not okay, it's not the end" is often attributed to John Lennon, the renowned musician and member of the Beatles. However, there is no concrete evidence to suggest that John Lennon was the original source of this quote. The origin of this quote remains uncertain, and it has been widely circulated on the internet and in various inspirational messages without a definitive source.
As is the case with many popular quotes, the true origin can be difficult to trace, and they often become part of the collective wisdom and culture without a specific individual to credit. Regardless of its origin, the quote has resonated with many people and serves as an encouragement to remain hopeful and patient during challenging times, believing that things will eventually work out.